<template>
  <div class="app-container calendar-list-container">

    <!-- 查询和其他操作 -->
    <div class="filter-container"
         style=" float: right">
      <el-input v-model="listQuery.userId"
                clearable
                class="filter-item"
                style="width: 200px;"
                placeholder="请输入用户ID" />
      <el-input v-model="listQuery.keyword"
                clearable
                class="filter-item"
                style="width: 200px;"
                placeholder="请输入搜索历史关键字" />
      <el-button class="filter-item"
                 type="primary"
                 icon="el-icon-search"
                 @click="handleFilter">查找</el-button>

    </div>

    <!-- 查询结果 -->
    <el-table v-loading="listLoading"
              :data="list"
              element-loading-text="正在查询中。。。"
              border
              fit
              highlight-current-row>
      <el-table-column align="center"
                       width="100px"
                       label="搜索ID"
                       prop="id"
                       sortable />

      <el-table-column align="center"
                       min-width="100px"
                       label="用户ID"
                       prop="userId" />

      <el-table-column align="center"
                       min-width="100px"
                       label="关键字"
                       prop="keyword" />

      <el-table-column align="center"
                       min-width="100px"
                       label="添加时间"
                       prop="addTime" />
    </el-table>

    <pagination v-show="total>0"
                :total="total"
                :page.sync="listQuery.page"
                :limit.sync="listQuery.limit"
                @pagination="getList" />

  </div>
</template>

<script>
import { listHistory } from '@/api/user/user'
import Pagination from '@/components/Pagination' // Secondary package based on el-pagination

export default {
  name: 'History',
  components: { Pagination },
  data () {
    return {
      list: null,
      total: 0,
      listLoading: true,
      listQuery: {
        page: 1,
        limit: 20,
        userId: undefined,
        keyword: undefined,
        sort: 'add_time',
        order: 'desc'
      },
      downloadLoading: false
    }
  },
  created () {
    this.getList()
  },
  methods: {
    getList () {
      this.listLoading = true
      listHistory(this.listQuery)
        .then(response => {
          this.list = response.data.data.list
          this.total = response.data.data.total
          this.listLoading = false
        })
        .catch(() => {
          this.list = []
          this.total = 0
          this.listLoading = false
        })
    },
    handleFilter () {
      this.listQuery.page = 1
      this.getList()
    },
    handleDownload () {
      this.downloadLoading = true
      import('@/vendor/Export2Excel').then(excel => {
        const tHeader = ['用户ID', '搜索历史关键字', '添加时间']
        const filterVal = ['userId', 'keyword', 'addTime']
        excel.export_json_to_excel2(
          tHeader,
          this.list,
          filterVal,
          '用户搜索历史信息'
        )
        this.downloadLoading = false
      })
    }
  }
}
</script>